31232880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6197}}^1$

素因数の和:6223

約数の個数: 120

約数和(自身を含む): 119894112

約数和(自身を除く): 88661232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6197, 12394, 18591, 24788, 30985, 37182, 43379, 49576, 55773, 61970, 74364, 86758, 92955, 99152, 111546, 123940, 130137, 148728, 173516, 185910, 216895, 223092, 247880, 260274, 278865, 297456, 347032, 371820, 390411, 433790, 446184, 495760, 520548, 557730, 650685, 694064, 743640, 780822, 867580, 892368, 1041096, 1115460, 1301370, 1487280, 1561644, 1735160, 1952055, 2082192, 2230920, 2602740, 3123288, 3470320, 3904110, 4461840, 5205480, 6246576, 7808220, 10410960, 15616440, 31232880]

約数ペア:

[(1, 31232880), (2, 15616440), (3, 10410960), (4, 7808220), (5, 6246576), (6, 5205480), (7, 4461840), (8, 3904110), (9, 3470320), (10, 3123288), (12, 2602740), (14, 2230920), (15, 2082192), (16, 1952055), (18, 1735160), (20, 1561644), (21, 1487280), (24, 1301370), (28, 1115460), (30, 1041096), (35, 892368), (36, 867580), (40, 780822), (42, 743640), (45, 694064), (48, 650685), (56, 557730), (60, 520548), (63, 495760), (70, 446184), (72, 433790), (80, 390411), (84, 371820), (90, 347032), (105, 297456), (112, 278865), (120, 260274), (126, 247880), (140, 223092), (144, 216895), (168, 185910), (180, 173516), (210, 148728), (240, 130137), (252, 123940), (280, 111546), (315, 99152), (336, 92955), (360, 86758), (420, 74364), (504, 61970), (560, 55773), (630, 49576), (720, 43379), (840, 37182), (1008, 30985), (1260, 24788), (1680, 18591), (2520, 12394), (5040, 6197)]